<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        /* no-repeat 不平铺
        *repeat 平铺
        *repeat-x 水平方向平铺
        *repeat-y 垂直方向平铺
        */
        div {
            width: 800px;
            height: 600px;
            background-color: red;
            background-image: url(./明日香.png);
            background-repeat: no-repeat;
        }
    </style>
</head>
<body>
    <div>div 标签</div>
</body>
</html>